taizhong gear ring fms automatic line is 65m in length, which involves 1 set of single-station pallet conveying device, 8 sets of flat pallets, 4 sets of manual pallets as well as 5 sets of pallet stop stations and auxiliary devices, which is used for pallet transfer in 2 sets of cnc gear milling machines. 2 vertical turning and milling compound machining centers, 3 cnc gear grinding machines, 1 chamfering machine, 1 inspection station as well as 1 special cleaning machine and for maximizing machine utilization through receiving upper mes instructions for automatic in-line arrangement production.